Intersectional casting for ceiling grid support system



FIG. 1 shows a, perspective view of my new design for an intersectional casting for ceiling grid support system;

FIG. 2 shows a top plan view of my design as shown in FIG. 1;

FIG. 3 shows a bottom plan view of my design as shown in FIG. 1; and,

FIG. 4 shows a side view of my design, taken along any one of the four axial extensions. 

The ornamental design for an intersectional casting for ceiling grid support system, as shown and described. 